set term png
set output "../poisson2d.png"
unset border
set xlabel "x(m)"
set ylabel "y(m)"
set xtics ("0.0" 0, "0.2" 20, "0.4" 40, "0.6" 60, "0.8" 80, "1.0" 99)
set ytics ("0.0" 0, "0.2" 20, "0.4" 40, "0.6" 60, "0.8" 80, "1.0" 99)
plot "poisson2d.txt" matrix with image
